@Dom the only thing to do with the HD 3,5 inch tft screen is to add this config in config.txt file #3.5 HD tft screen 800x480 dtoverlay=dpi24 overscan_left=0 overscan_right=0 overscan_top=0 overscan_bottom=0 #Banggood framebuffer_width=800 framebuffer_height=480 dtparam=spi=off dtparam=i2c_arm=off enable_dpi_lcd=1 display_default_lcd=1 dpi_output_format=0x6f015 dpi_group=2 dpi_mode=87 hdmi_timings=480 0 16 16 24 800 0 4 2 2 0 0 0 60 0 32000000 6 display_rotate=3 and all is done. I'm going to write documentation about these screen